The technique essentially reverts mature cells to an embryo-like state.
这项研究其实就是将成熟的细胞返祖，变成类似于胚胎状态的细胞。
The sex of the embryo is predetermined at fertilization.
胚胎的性别早在受精时就决定了。
The mother provides the embryo with nourishment and a place to grow.
母亲为胎儿提供营养和一个生长的地方。
Which embryo cells are determined?
哪些胚胎细胞是确定的？
A salamander embryo can attract algae inside its tissues and cells.
蝾螈胚胎却会吸引藻类进入组织和细胞。
Who took a ball, the vesicle, and he transplanted from the embryo, the ear region, to a limb.
他从胚胎的耳朵部分中，取出一个泡囊移植到腕部。
For example, parents could have one embryo implanted in the mother's womb and store its identical siblings indefinitely.
例如，父母可以将一个胚胎植入母亲的子宫，无限期地储存同卵双胞胎。
The resulting hybrid grew into a tiny embryo known as a blastocyst, implanted into the womb of a surrogate mother, and went on to become Dolly.
由此产生的杂交后代长成了一个名为胚泡的小胚胎，被植入代孕母亲的子宫，然后变成了多莉。
Nearly a century ago, biologists found that if they separated an invertebrate animal embryo into two parts at an early stage of its life, it would survive and develop as two normal embryos.
近一个世纪前，生物学家发现，如果他们在无脊椎动物胚胎生命的早期阶段将其分成两部分，它会存活下来并发育成两个正常的胚胎。
Even more bizarre, a woman conceived from a split embryo could give birth to her own twin.
更奇怪的是，一个从分裂胚胎中受孕的妇女可以生下自己的双胞胎。
Because current federal law already forbids the use of federal funds to create embryos for research or to knowingly endanger an embryo 's life, NBAC will remain silent on embryo research.
因为现今的联邦法律已经禁止使用联邦基金克隆胚胎用于研究或者有意地威胁胚胎的生命，NBAC在胚胎研究上将保持沉默。
This led them to believe that the cells in the early embryo are undetermined in the sense that each cell has the potential to develop in a variety of different ways.
这使他们相信早期胚胎中的细胞是不确定的，因为每个细胞都有可能以各种不同的方式发育。
The pause of the development of an embryo has more benefits for preparing it to avoid the harsh times than for competing with its siblings.
暂停胚胎的发育比与其兄弟姐妹竞争更有利于使它做好准备以避免艰难时期的到来。
This allows her to freeze the development of an embryo during times of drought and food shortage until the offspring in the pouch is able to leave.
这使她能够在干旱和食物短缺时暂缓胚胎的发育，直到育儿袋里的后代能够独立生活。
Among other benefits, this allows her to freeze the development of an embryo during times of drought and food shortage until the offspring in the pouch is able to leave.
在其他好处中，这使她能够在干旱和食物短缺时期冻结胚胎的发育，直到育儿袋中的后代有能力自己离开。
The idea already existed in embryo in his earlier novels.
这个想法在他早期的小说中已初见端倪。
An eight-week-old embryo is only an inch long.
一个8周大的胎儿仅1英寸长。
Useable embryo recovery was significantly low in ewes of corpora lutea degradation.
在黄体降解的母羊中，可用的胚胎恢复率非常低。
The chick embryo proper comes from a very small region resting on the yolk.
小鸡胚胎本身来自于蛋黄上的一个非常小的区域。
PGC from genital ridge and mesenterium of human embryo was incubated on fibroblast feeder layers for subculture.
从人胚胎生殖嵴、肠系膜中消化分离的原始生殖细胞，将其接种在人子宫内膜成纤维细胞饲养层上传代培养。
The goat embryo re-acted the process of the system evolution, which passed through pronephros, mesonephros and metanephros.
山羊胚胎重新反应了系统进化的过程，该过程通过前肾，中肾和后肾。
Part of this adaptation is a response by the embryo to the nutrition it receives through the placenta.
这种适应部分是这种适应是胚胎通过胎盘吸收营养的一种反应。
In the embryo stage, chickens actually have a tail, which disappears before the bird hatches.
事实上小鸡在胚胎期是有长尾的，不过在孵化之前就消失了。
A virus was used to introduce the genes to mouse embryo skin cells, which were then monitored.
他们用一种病毒来把这些基因引入老鼠胚胎的皮肤细胞，然后进行监测。
You can tell if an animal's greatest fulfillment will be to bark or purr by just looking at its embryo.
我还可以看着某种动物的胚胎告诉你它以后最大的本能是狂吠还是发出咕噜声。
A doctor, they said, had given Savage the wrong embryo, and now she was carrying the other woman's child.
一位医生，他们说，给萨维奇植入的胚胎不是她自己的，所以她现在怀着另一位女士的孩子。
A doctor, they said, had given Savage the wrong embryo, and now she was carrying the other woman's child.
一位医生，他们说，给萨维奇植入的胚胎不是她自己的，所以她现在怀着另一位女士的孩子。
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